kolasin Biogradsko lake is a glacial lake in the intermountain valley of Bjelasica. Kolasin, Biogradska Gora national park. Montenegro, Europe Biogradsko lake is a glacial lake in the intermountain valley of Bjelasica. Kolasin, Biogradska Gora national park. Montenegro, Europe Unique National ParkBiogradska Gora in Montenegro, one of the last primary forests in europe. Unique National ParkBiogradska Gora in Montenegro, one of the last primary forests in europe. Unique National ParkBiogradska Gora in Montenegro, one of the last primary forests in europe. Biogradsko lake is a glacial lake in the intermountain valley of Bjelasica. Kolasin, Biogradska Gora national park. Montenegro, Europe